It's pretty much known for a while now that 2.2 will have a new set of monitors, gold monitors that respawn. So with that, I have recreated the monitors in 2.1, free to use in your map.

A golden version of most monitors is included(Except for random monitor, as I'm not sure if that's possible to make with Lua).

This also optionally supports Sapheros's S3K shields, and a wad file for that is included, the actual S3K Shields is required to be added for it to work properly.

To anyone who plans on making a custom monitor, include a gold monitor of it in the wad, with this used as a basis.

A map is also included, with some monitors you can play around with, just warp to map 01.

Special thanks to toaster and Monster psychic cat, toaster for providing reference and help, and Monster psychic cat for providing help.
Special thanks to Teapot(Lunar) for providing a wad with the sprites.

Original creation of concept goes to K.S

Changelog:

Spoiler:

28/04/18

Removed proximity check

Added special sparkle states

Changed the radius and height of the monitors to 16*FRACUNIT and 36*FRACUNIT

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Science tells us that nothing can be proven, only rendered more likely to be true. If we do not question what we already know, how can we know, much less admit, when we're wrong? Such things are vital to progress.

Okay, so, first off, there's absolutely no need for a proximity check, and none of my reference implementations nor the 2.2 implementation have them. (The only reason bubbles need them is because they play sounds on popping.)

Second off, sparkles have three states associated with them, to smoothly fade out. Note that this also eliminates the need for a fuse.

Third, the sound effect actually has the SF_X2AWAYSOUND flag applied to it that I don't think you set.

Fourth, the boxes have a radius of 16*FRACUNIT and a height of 36*FRACUNIT.

(Lastly, it ... kinda sucks doing literally everything to make these things from concept to finish, and getting zero credit in the end.)

Also, if you want to see the reference implementation for yourself, drop me a line on discord. The only reason I don't just straight post it is because it's actually a complete rewrite/simplification of the system monitors use, so it also includes regular monitors ... and the fact that it auto-generates mobj types and states, which I don't think SRB2 Doom Builder appreciates.

The only thing I'll add to K.S.'s post is that for performance reasons the "final product" currently goes through the four nights sparkle frames in S_BOXSPARKLE1-4 rather than the first frame but more translucent, but what they said was true up until very recently, so no worries there.

(I enjoy seeing what people come up with reverse-engineering only a baseline reference instead of republishing extant code, is why I didn't ask you for your Lua stuff to show Steel. *hugs*)